Copyright ; The University of California, as the Department of Energy contractor managing the historical image scanning project, has asserted a continuing legal interest in the digital versions of the images included in the NARA accession, and, accordingly, has stipulated that anyone intending to use any of these digital images for commercial purposes, including textbooks, commercial materials, and periodicals, must obtain prior permission from the University of California-Lawrence Berkeley National Lab, through photo@lbl.gov. ; Restricted - Possibly